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Table 1
Parameters of program stars and strontium abundance.
| Star | Teff, K | log g | Vt, km s-1 | [Fe/H] | ϵ(Sr) | [Sr/H] | [Sr/Fe] | [Ba/H] | Rem | |||
| turnoff stars | ||||||||||||
|
|
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| BS 16023–046 | 6360 | 4.5 | 1.4 | –2.97 | –0.08 | –3.00 | –0.03 | – | 2 | |||
| BS 16968–061 | 6040 | 3.8 | 1.5 | –3.05 | –0.46 | –3.38 | –0.33 | – | 2 | |||
| BS 17570–063 | 6240 | 4.8 | 0.5 | –2.92 | +0.10 | –2.82 | +0.10 | –2.97 | 2 | |||
| CS 22177–009 | 6260 | 4.5 | 1.2 | –3.10 | –0.09 | –3.01 | +0.09 | – | 2 | |||
| CS 22888–031 | 6150 | 5.0 | 0.5 | –3.30 | –0.13 | –3.05 | +0.25 | – | 2 | |||
| CS 22948–093 | 6360 | 4.3 | 1.2 | –3.30 | –0.20 | –3.12 | +0.18 | –2.97 | 2 | |||
| CS 22965–054 | 6090 | 3.8 | 1.4 | –3.04 | +0.20 | –2.72 | +0.32 | – | 2 | |||
| CS 22966–011 | 6200 | 4.8 | 1.1 | –3.07 | +0.07 | –2.85 | +0.22 | –2.87 | 2 | |||
| CS 29499–060 | 6320 | 4.0 | 1.5 | –2.70 | –0.15 | –3.07 | -0.37 | – | 2 | |||
| CS 29506–007 | 6270 | 4.0 | 1.7 | –2.91 | +0.31 | –2.61 | +0.30 | –2.37 | 2 | |||
| CS 29506–090 | 6300 | 4.3 | 1.4 | –2.83 | +0.54 | –2.38 | +0.45 | –2.77 | 2 | |||
| CS 29518–043 | 6430 | 4.3 | 1.3 | –3.20 | +0.00 | –2.92 | +0.28 | – | 2 | |||
| CS 29527–015 | 6240 | 4.0 | 1.6 | –3.55 | –0.06 | –2.98 | +0.57 | – | 2 | |||
| CS 30301–024 | 6330 | 4.0 | 1.6 | –2.75 | +0.27 | –2.65 | +0.10 | –2.67 | 2 | |||
| CS 30339–069 | 6240 | 4.0 | 1.3 | –3.08 | –0.11 | –3.03 | +0.05 | – | 2 | |||
| CS 31061–032 | 6410 | 4.3 | 1.4 | –2.58 | +0.55 | –2.37 | +0.21 | – | 2 | |||
|
|
||||||||||||
| giants | ||||||||||||
|
|
||||||||||||
| HD 2796 | 4950 | 1.5 | 2.1 | –2.47 | +0.57 | –2.35 | +0.12 | –2.68 | 4 | |||
| HD 122563 | 4600 | 1.1 | 2.0 | –2.82 | +0.10 | –2.82 | +0.00 | –3.67 | 5 | |||
| HD 186478 | 4700 | 1.3 | 2.0 | –2.59 | +0.57 | –2.35 | +0.24 | –2.67 | 4 | |||
| BD +17°3248 | 5250 | 1.4 | 1.5 | –2.07 | +1.17 | –1.75 | +0.32 | –1.74 | 2 | |||
| BD –18°5550 | 4750 | 1.4 | 1.8 | –3.06 | –0.93 | –3.85 | –0.79 | –3.67 | 3 | |||
| CD –38°245 | 4800 | 1.5 | 2.2 | –4.19 | –1.75 | –4.67 | –0.48 | –4.72 | 2 | |||
| BS 16467–062 | 5200 | 2.5 | 1.6 | –3.77 | –2.30 | –5.22 | –1.45 | – | 2 | |||
| BS 16477–003 | 4900 | 1.7 | 1.8 | –3.36 | –0.40 | –3.32 | +0.04 | –3.62 | 2 | |||
| BS 17569–049 | 4700 | 1.2 | 1.9 | –2.88 | +0.45 | –2.47 | +0.41 | –2.72 | 4 | |||
| CS 22169–035 | 4700 | 1.2 | 2.2 | –3.04 | –0.33 | –3.25 | –0.21 | –4.17 | 2 | |||
| CS 22172–002 | 4800 | 1.3 | 2.2 | –3.86 | –2.03 | –4.95 | –1.09 | –4.82 | 2 | |||
| CS 22186–025 | 4900 | 1.5 | 2.0 | –3.00 | –0.18 | –3.10 | –0.10 | –2.94 | 2 | |||
| CS 22189–009 | 4900 | 1.7 | 1.9 | –3.49 | –1.28 | –4.20 | –0.71 | –4.62 | 2 | |||
| CS 22873–055 | 4550 | 0.7 | 2.2 | –2.99 | –0.40 | –3.32 | –0.33 | –3.37 | 2 | |||
| CS 22873–166 | 4550 | 0.9 | 2.1 | –2.97 | +0.27 | –2.65 | +0.32 | –3.54 | 3 | |||
| CS 22878–101 | 4800 | 1.3 | 2.0 | –3.25 | –0.58 | –3.50 | –0.25 | –3.57 | 2 | |||
| CS 22885–096 | 5050 | 2.6 | 1.8 | –3.78 | –2.00 | –4.92 | –1.14 | –4.72 | 2 | |||
| CS 22891–209 | 4700 | 1.0 | 2.1 | –3.29 | –0.23 | –3.15 | +0.14 | –3.65 | 2 | |||
| CS 22892–052* | 4850 | 1.6 | 1.9 | –3.03 | +0.47 | –2.45 | +0.58 | –2.25 | 4 | |||
| CS 22896–154 | 5250 | 2.7 | 1.2 | –2.69 | +0.67 | –2.25 | +0.44 | –2.35 | 3 | |||
| CS 22897–008 | 4900 | 1.7 | 2.0 | –3.41 | –0.08 | –3.00 | +0.41 | –4.37 | 2 | |||
| CS 22948–066 | 5100 | 1.8 | 2.0 | –3.14 | –0.68 | –3.60 | –0.46 | –3.97 | 2 | |||
| CS 22949–037* | 4900 | 1.5 | 1.8 | –3.97 | –0.88 | –3.80 | +0.17 | –4.47 | 2 | |||
| CS 22952–015 | 4800 | 1.3 | 2.1 | –3.43 | –1.33 | –4.25 | –0.82 | –4.57 | 2 | |||
| CS 22953–003 | 5100 | 2.3 | 1.7 | –2.84 | +0.30 | –2.62 | +0.22 | –2.45 | 2 | |||
| CS 22956–050 | 4900 | 1.7 | 1.8 | –3.33 | –0.80 | –3.72 | –0.39 | –3.95 | 2 | |||
| CS 22966–057 | 5300 | 2.2 | 1.4 | –2.62 | +0.12 | –2.80 | –0.18 | –2.95 | 2 | |||
| CS 22968–014 | 4850 | 1.7 | 1.9 | –3.56 | –2.17 | –5.09 | –1.53 | – | 2 | |||
| CS 29491–053 | 4700 | 1.3 | 2.0 | –3.04 | –0.33 | –3.25 | –0.21 | –3.74 | 2 | |||
| CS 29495–041 | 4800 | 1.5 | 1.8 | –2.82 | –0.13 | –3.05 | –0.23 | –3.28 | 2 | |||
| CS 29502–042 | 5100 | 2.5 | 1.5 | –3.19 | –1.98 | –4.90 | –1.71 | –4.62 | 2 | |||
| CS 29516–024 | 4650 | 1.2 | 1.7 | –3.06 | –0.63 | –3.55 | –0.49 | –3.67 | 2 | |||
| CS 29518–051 | 5200 | 2.6 | 1.4 | –2.69 | +0.45 | –2.47 | +0.22 | –2.82 | 2 | |||
| CS 30325–094 | 4950 | 2.0 | 1.5 | –3.30 | –2.37 | –5.29 | –1.99 | – | 2 | |||
| CS 31082–001 | 4825 | 1.5 | 1.8 | –2.91 | +0.52 | –2.40 | +0.51 | –2.17 | 4 | |||
| additional giants | ||||||||||||
| CS 22891–200 | 4700 | 1.3 | 2.0 | –3.65 | –1.75 | –4.67 | –1.02 | –4.28 | 2 | |||
| CS 22949–048 | 4800 | 1.5 | 2.0 | –3.25 | –1.39 | –4.31 | –1.06 | –4.33 | 2 | |||
| CS 22950–046 | 4650 | 1.0 | 2.2 | –3.56 | –1.12 | –4.04 | –0.48 | –4.49 | 2 | |||
Notes. The Ba abundance has been corrected for overshooting.
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